80178120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:445

約数の個数: 256

約数和(自身を含む): 309484800

約数和(自身を除く): 229306680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 27, 30, 33, 34, 36, 40, 44, 45, 51, 54, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 108, 110, 120, 132, 135, 136, 153, 165, 170, 180, 187, 198, 204, 216, 220, 255, 264, 270, 297, 306, 330, 340, 360, 374, 396, 397, 408, 440, 459, 495, 510, 540, 561, 594, 612, 660, 680, 748, 765, 792, 794, 918, 935, 990, 1020, 1080, 1122, 1188, 1191, 1224, 1320, 1485, 1496, 1530, 1588, 1683, 1836, 1870, 1980, 1985, 2040, 2244, 2295, 2376, 2382, 2805, 2970, 3060, 3176, 3366, 3573, 3672, 3740, 3960, 3970, 4367, 4488, 4590, 4764, 5049, 5610, 5940, 5955, 6120, 6732, 6749, 7146, 7480, 7940, 8415, 8734, 9180, 9528, 10098, 10719, 11220, 11880, 11910, 13101, 13464, 13498, 14292, 15880, 16830, 17468, 17865, 18360, 20196, 20247, 21438, 21835, 22440, 23820, 25245, 26202, 26996, 28584, 33660, 33745, 34936, 35730, 39303, 40392, 40494, 42876, 43670, 47640, 50490, 52404, 53595, 53992, 60741, 65505, 67320, 67490, 71460, 74239, 78606, 80988, 85752, 87340, 100980, 101235, 104808, 107190, 117909, 121482, 131010, 134980, 142920, 148478, 157212, 161976, 174680, 182223, 196515, 201960, 202470, 214380, 222717, 235818, 242964, 262020, 269960, 296956, 303705, 314424, 364446, 371195, 393030, 404940, 428760, 445434, 471636, 485928, 524040, 589545, 593912, 607410, 668151, 728892, 742390, 786060, 809880, 890868, 911115, 943272, 1113585, 1179090, 1214820, 1336302, 1457784, 1484780, 1572120, 1781736, 1822230, 2004453, 2227170, 2358180, 2429640, 2672604, 2969560, 3340755, 3644460, 4008906, 4454340, 4716360, 5345208, 6681510, 7288920, 8017812, 8908680, 10022265, 13363020, 16035624, 20044530, 26726040, 40089060, 80178120]

約数ペア:

[(1, 80178120), (2, 40089060), (3, 26726040), (4, 20044530), (5, 16035624), (6, 13363020), (8, 10022265), (9, 8908680), (10, 8017812), (11, 7288920), (12, 6681510), (15, 5345208), (17, 4716360), (18, 4454340), (20, 4008906), (22, 3644460), (24, 3340755), (27, 2969560), (30, 2672604), (33, 2429640), (34, 2358180), (36, 2227170), (40, 2004453), (44, 1822230), (45, 1781736), (51, 1572120), (54, 1484780), (55, 1457784), (60, 1336302), (66, 1214820), (68, 1179090), (72, 1113585), (85, 943272), (88, 911115), (90, 890868), (99, 809880), (102, 786060), (108, 742390), (110, 728892), (120, 668151), (132, 607410), (135, 593912), (136, 589545), (153, 524040), (165, 485928), (170, 471636), (180, 445434), (187, 428760), (198, 404940), (204, 393030), (216, 371195), (220, 364446), (255, 314424), (264, 303705), (270, 296956), (297, 269960), (306, 262020), (330, 242964), (340, 235818), (360, 222717), (374, 214380), (396, 202470), (397, 201960), (408, 196515), (440, 182223), (459, 174680), (495, 161976), (510, 157212), (540, 148478), (561, 142920), (594, 134980), (612, 131010), (660, 121482), (680, 117909), (748, 107190), (765, 104808), (792, 101235), (794, 100980), (918, 87340), (935, 85752), (990, 80988), (1020, 78606), (1080, 74239), (1122, 71460), (1188, 67490), (1191, 67320), (1224, 65505), (1320, 60741), (1485, 53992), (1496, 53595), (1530, 52404), (1588, 50490), (1683, 47640), (1836, 43670), (1870, 42876), (1980, 40494), (1985, 40392), (2040, 39303), (2244, 35730), (2295, 34936), (2376, 33745), (2382, 33660), (2805, 28584), (2970, 26996), (3060, 26202), (3176, 25245), (3366, 23820), (3573, 22440), (3672, 21835), (3740, 21438), (3960, 20247), (3970, 20196), (4367, 18360), (4488, 17865), (4590, 17468), (4764, 16830), (5049, 15880), (5610, 14292), (5940, 13498), (5955, 13464), (6120, 13101), (6732, 11910), (6749, 11880), (7146, 11220), (7480, 10719), (7940, 10098), (8415, 9528), (8734, 9180)]